FILE - In this Jan. 28, 2012 file photo, Canadian singer Justin Bieber arrives at the Cannes festival palace to attend the NRJ Music awards ceremony, in Cannes, southeastern France. Authorities say heartthrob singer Bieber has been ticketed for speeding on a Los Angeles freeway after being chased by at least one other vehicle, according to reports Friday, July 6, 2012. Bieber said he was being chased by paparazzi, according to the California Highway Patrol.
NEW YORK - Justin Bieber, Lady Gaga and Michelle Obama are giving a helping hand to Beyonce.
Obama and the pop stars have signed on to support Beyonce and the global campaign for World Humanitarian Day, which is Sunday.
The campaign asks that on Sunday people help others through such acts as making sandwiches for the homeless or volunteering at a local charity. The goal is to share 1 billion messages of hope.
A representative for Beyonce says that Bieber, Gaga, Obama, Rihanna, Shakira, Jay-Z, Gwyneth Paltrow, Chris Martin and others will participate.
Beyonce performed her song "I Was Here" at the United Nations in New York last week to promote World Humanitarian Day. The performance was taped and the music video will debut Sunday. The song is from her latest album "4."
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